Mechanisms by which nitrogen-cycling functional genes enable reduced nitrogen input without yield loss under optimized straw incorporation - Xue Wan; Yingying Feng; Yuzhuo Liu; Xinyue Ju; Hongfang Jiang; Zhongcheng Zhang; Liqiang Chen; Yanze Zhao; Jiping Gao; Mingda Liu; Wenzhong Zhang; Lina Zhang (Journal of Soils and Sediments, 2026)